55511212540937 has 2 divisors, whose sum is σ = 55511212540938. Its totient is φ = 55511212540936.

The previous prime is 55511212540919. The next prime is 55511212541017. The reversal of 55511212540937 is 73904521211555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36863160822016 + 18648051718921 = 6071504^2 + 4318339^2 .

It is a cyclic number.

It is not a de Polignac number, because 55511212540937 - 2⁶ = 55511212540873 is a prime.

It is not a weakly prime, because it can be changed into another prime (55511212540907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755606270468 + 27755606270469.

It is an arithmetic number, because the mean of its divisors is an integer number (27755606270469).

Almost surely, 2^{55511212540937} is an apocalyptic number.

It is an amenable number.

55511212540937 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511212540937 is an equidigital number, since it uses as much as digits as its factorization.

55511212540937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890000, while the sum is 50.

The spelling of 55511212540937 in words is "fifty-five trillion, five hundred eleven billion, two hundred twelve million, five hundred forty thousand, nine hundred thirty-seven".